Fix validation errors

Author: ghogen

docs/ide/whats-new-visual-studio-docs.md

@@ -210,7 +210,7 @@ Welcome to what's new in Visual Studio docs. The following sections provide deta
 - [About Git in Visual Studio](../version-control/git-with-visual-studio.md) - Review and update
 - [Browse Git repositories and compare branches in Visual Studio](../version-control/git-browse-repository.md) - Git tags
 
-## Community contributors
+### Community contributors
 
 The following people contributed to the Visual Studio docs during this period. Thank you! Learn how to contribute by following the links under "Get involved" in the [what's new landing page](index.yml).
 
@@ -428,7 +428,7 @@ The following people contributed to the Visual Studio docs during this period. T
 - [Work with multiple repos](../version-control/git-multi-repository-support.md) - Update "Working with multiple repos" for multiple GitHub accounts
 - [Clone a Git repository in Visual Studio](../version-control/git-clone-repository.md) - Update "Clone a repo" for multiple GitHub accounts
 
-## Community contributors
+### Community contributors
 
 The following people contributed to the Visual Studio docs during this period. Thank you! Learn how to contribute by following the links under "Get involved" in the [what's new landing page](index.yml).